I had a similar burning smell. After checking EVERY wire that I installed, I found nothing wrong. The smell came back now and then, but it was never as strong as the first time I noticed it. One time...

I've been reading around on the Sounddomain.com forums, and everyone is saying how headunits with preouts greater than 2v sound better. For example, Eclipse decks are known for their 4v preouts, and...